package cn.bjit.mq;

import cn.bjit.model.ProductMessage;
import cn.bjit.service.ProductService;
import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.io.IOException;

@Slf4j
@Component
@RabbitListener(queues = "${mqconfig.stock_release_queue}")
public class ProductStockMQListener {

    @Autowired
    private ProductService productService;

    @RabbitHandler
    public void releaseProductStock(ProductMessage productMessage, Message message, Channel channel) throws IOException {

        log.info("监听到消息：releaseProductStock消息内容：{}", productMessage);
        long msgTag = message.getMessageProperties().getDeliveryTag();
         //释放商品库存
        boolean flag = productService.releaseProductStock(productMessage);

        try {
            if (flag) {
                //确认消息消费成功
                channel.basicAck(msgTag, false);
            } else {
                channel.basicReject(msgTag, true);
                log.error("释放商品库存失败 flag=false,{}", productMessage);
            }

        } catch (IOException e) {
            log.error("释放商品库存异常:{},msg:{}", e, productMessage);
            channel.basicReject(msgTag, true);
        }
    }

    @RabbitHandler
    public void releaseProductStock2(String msg,Message message, Channel channel) throws IOException {
        log.info(msg);
        channel.basicAck(message.getMessageProperties().getDeliveryTag(),true);
    }
}
